Cazden, J. (2012). Everyday voice care: The lifestyle guide for singers and talkers. Hal Leonard Books.
Lua i Stíl Chicago (17ú heag.)Cazden, Joanna. Everyday Voice Care: The Lifestyle Guide for Singers and Talkers. Milwaukee, WI: Hal Leonard Books, 2012.
Lua MLA (9ú heag.)Cazden, Joanna. Everyday Voice Care: The Lifestyle Guide for Singers and Talkers. Hal Leonard Books, 2012.
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